MAGNET GPS Station - Photo by Geoff Blewitt

Station ID : AROL

Data attribution information: DOI Database

DOI link for this station:

Station operator information from: RINEX headers

When using products from this system please cite Blewitt et al., (2018) for the processing plus also the citation for the original data.


Latitude: 10.437 degrees

Longitude: -84.709 degrees

Height: 754.014 meters

Time Series Data

(ascii text)
24 Hour Final Solutions


tenv3 or tenv






5 Minute Final Solutions


kenv tar files for download

Quality Assurance (QA) Files


.qa.gz file download

5 Minute Troposphere Solutions

Tot./Wet Zenith Delay, etc.

tar file download

New!: Loading Predictions.
See this README file for explanation.


tenv3 file with extra columns

Readme Files:

tenv3 format, tenv format, xyz format,
kenv format, trop format, QA file format,
Loading triplet enhanced tenv3 files
(Note: When using the MIDAS software
use the .tenv files linked above)

Nearest 4 Other Stations Distance


5.90 km


5.90 km


42.11 km


49.49 km

Time Series Plots

Click on the buttons on the left below to choose from available reference frames, latencies, and sample rates. Original, Cleaned (outlier removed) and detrended (using MIDAS rate) plots are available. See plot explanation page for further explanations on plot contents.

GPS time series plot
GPS time series plot
GPS time series plot
GPS time series plot
GPS time series plot
GPS time series plot
GPS time series plot
QA plot
Load prediction plot

Steps Information for this station

Station ID Date
Equipment Change Type/
or Event ID
AROL10OCT08 Antenna_Code_Changed - -
AROL96MAR03 usp0007e9k 6.6 270.7
AROL96MAR03 usp0007e9s 6.7 278.0
AROL96AUG28 usp0007p5w 5.9 125.4
AROL96SEP04 usp0007pe6 6.2 128.7
AROL99AUG20 usp0009dcg 6.9 166.2
AROL00JUL21 usp0009wwb 6.4 132.3
AROL01JAN13 usp000a7m5 7.7 518.9
AROL02JUN16 usp000b68d 6.4 199.9
AROL04APR29 usp000ctpz 6.2 146.4
AROL04OCT09 usp000d63h 7.0 240.0
AROL04NOV20 usp000d8tf 6.4 109.9
AROL05JUL02 usp000dubj 6.6 183.3
AROL05AUG03 usp000dwju 6.3 127.9
AROL09JAN08 usp000gscg 6.1 63.7
AROL09MAY28 usp000gxkj 7.3 718.5
AROL10MAY20 usp000hczt 5.9 139.7
AROL10JUN01 usp000hdem 6.0 134.8
AROL10OCT09 usp000hmvg 5.8 52.0
AROL11MAY13 usp000j1jg 5.9 69.0
AROL11JUL12 usp000j4s9 5.5 58.5
AROL12AUG27 usp000jqvm 7.3 463.5
AROL12SEP05 usp000jrsw 7.6 77.0
AROL12SEP08 usp000js0m 5.7 77.9
AROL12OCT24 usp000jucg 6.5 75.3
Distance is from this station to earthquake epicenter in km. A potential step record appears when this distance is less than 10^(M/2 - 0.79) where M is earthquake magnitude.
Steps for all stations are given in the master step file database.

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